CN109138864A - A kind of Anti-grinding centering guide of sucker rod - Google Patents
A kind of Anti-grinding centering guide of sucker rod Download PDFInfo
- Publication number
- CN109138864A CN109138864A CN201811219459.5A CN201811219459A CN109138864A CN 109138864 A CN109138864 A CN 109138864A CN 201811219459 A CN201811219459 A CN 201811219459A CN 109138864 A CN109138864 A CN 109138864A
- Authority
- CN
- China
- Prior art keywords
- righting
- sucker rod
- arc
- adjustment spring
- adjustment
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 230000000694 effects Effects 0.000 abstract description 7
- 239000003129 oil well Substances 0.000 description 15
- 208000035389 Ring chromosome 6 syndrome Diseases 0.000 description 9
- 238000010586 diagram Methods 0.000 description 7
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 206010058109 Hangnail Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000037237 body shape Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
- E21B17/10—Wear protectors; Centralising devices, e.g. stabilisers
- E21B17/1071—Wear protectors; Centralising devices, e.g. stabilisers specially adapted for pump rods, e.g. sucker rods
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
- E21B17/10—Wear protectors; Centralising devices, e.g. stabilisers
- E21B17/1042—Elastomer protector or centering means
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Geology (AREA)
- Mining & Mineral Resources (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Environmental & Geological Engineering (AREA)
- Fluid Mechanics (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Earth Drilling (AREA)
Abstract
The present invention provides a kind of Anti-grinding centering guide of sucker rod, including righting idler wheel, axle sleeve, and limit plate limits kelly, adjustment spring A, card slot and ball；Righting idler wheel is inlaid with by bearing in adjustment axis on the inside of the groove, and axle sleeve is set in the adjustment axis at both ends on the outside of groove, sleeve column is also welded on the outer wall of the centralizer body, and adjustment spring A is provided between two groups of sleeve columns, still there is cricoid card slot on the outer edge of the centering ring, the rear end of the arc righting board is equipped with the adjustable plate of integral type, and adjustable plate active card is in card slot, it is also inlaid with three groups of balls on the outer edge of the arc righting board, and is connected with adjustment spring B in the gap between arc righting board and centering ring.The ball of arc righting front edge of board is convenient for rotating sucker rod, and by the internal screw thread socket of this group of sucker rod twist-on to another group of sucker rod, righting idler wheel touches on the borehole wall under adjustment spring A effect, and sucker rod up and down adjustment is more smooth.
Description
Technical field
The invention belongs to petroleum underground work art fields, more specifically, in particular to a kind of preventing sucker rod from slanting-wear righting
Device.
Background technique
Sucker rod is the slender rod piece of rod-pumped well, connects polished rod on it, under connect the effect that oil pumping pumps up transmitting power.
The present inventor has found similar patent during patent searching, such as application No. is:
In the patent of CN201620952280.0, a kind of casing stabbing board applied to radial direction well underground guider is disclosed, is belonged to
Career field under oil well, including upper end centralizer and lower end centralizer, upper end centralizer include upper end centralizer body, upper end
It is provided with wiper block on centralizer body, spring is provided between wiper block and upper end centralizer body, lower end centralizer includes
Lower end centralizer body is provided with wiper block on the centralizer body of lower end, is provided between wiper block and lower end centralizer body
Spring, the bottom of lower end centralizer body are provided with guiding nose, and guiding nose is connect by bolt with lower end centralizer body,
It splines on wiper block, keyway inner wall designs barb structure, and upper end centralizer and lower end centralizer can simply connect with guider
It connects, guider righting is provided, make to lead shoe opening close to internal surface of sleeve pipe, fully meet the casing centering needs of radial direction well, hangnail
Structure can effectively fix wiper block, obtain better righting effect.
Based on above-mentioned, the inventors discovered that, in the casing stabbing board of above-mentioned patent disclosure, although wiper block can be in spring
Under the action of touch the borehole wall, but sucker rod, when rotating or moving up and down, wiper block rubs with the borehole wall, generates resistance
Power, sucker rod movement is more difficult, increases and uses difficulty.
Then, in view of this, being studied improvement for existing structure and missing, a kind of preventing sucker rod from slanting-wear is provided and is helped
Positive device, to achieve the purpose that with more more practical value.
Summary of the invention
In order to solve the above technical problem, the present invention provides a kind of Anti-grinding centering guide of sucker rod, to solve above-mentioned background
When rotating or moving up and down, wiper block rubs the sucker rod proposed in technology with the borehole wall, generates resistance, and sucker rod moves
It is dynamic more difficult, the problem of increase using difficulty.
The purpose and effect of Anti-grinding centering guide of sucker rod of the present invention, are reached by technological means in detail below:
A kind of Anti-grinding centering guide of sucker rod, including centralizer body, internal screw thread socket, male union, upper downslide
Dynamic rail, baffle, righting convex block, groove, sliding slot, adjustment axis limit handwheel, righting idler wheel, axle sleeve, connecting rod, limit plate, set
Column, limit kelly, adjustment spring A, centering ring, intermediate throughholes slide up and down slot, card slot, arc righting board, ball, adjustable plate
With adjustment spring B；The upper and lower ends of the centralizer body are equipped with the internal screw thread socket and male union of hexagon, and
The outside lower end of centralizer body is welded with cricoid three groups and slides up and down rail, is in ring on the upper end outer wall of the centralizer body
Shape is welded with three groups of righting convex blocks, and the inside of righting convex block is equipped with groove, and the upper and lower ends on the outside of the groove, which are equipped with, to be penetrated
The sliding slot of property, and adjustment axis is pierced by sliding slot twist-on limit handwheel, is inlaid in the adjustment axis on the inside of the groove by bearing
Righting idler wheel, and axle sleeve is set on the outside of groove in the adjustment axis at both ends, the rear end of the axle sleeve is connected limited by connecting rod
Position plate, and the another side of limit plate is welded with sleeve column, and sleeve column, and two groups of sleeve columns are also welded on the outer wall of the centralizer body
Between be provided with adjustment spring A, the inside of the centering ring is equipped with intermediate throughholes, and offers on the inner wall of intermediate throughholes up and down
Sliding groove, the centering ring are slidably mounted on sliding up and down on rail on the outside of centralizer body, and righting by sliding up and down slot
Still there is cricoid card slot on the outer edge of ring, the rear end of the arc righting board is equipped with the adjustable plate of integral type, and adjustable plate
Active card is also inlaid with three groups of balls, and arc righting board and centering ring in card slot on the outer edge of the arc righting board
Between gap in be connected with adjustment spring B.
Further, the upper and lower ends for sliding up and down rail are equipped with the baffle of integral type.
Further, the upper and lower ends of the righting convex block are equipped with angle.
Further, twist-on has limit kelly between the gap adjustment spring A on the sleeve column.
Further, when the adjustment spring A and adjustment spring B are in relaxed state, the outermost end of righting idler wheel is arrived
The outermost end of vertical range and ball between the vertical central axis of centralizer body to centralizer body vertical central axis it
Between vertical range it is identical.
Further, the section of the card slot is T-type structure, and the section of adjustable plate is also T-type structure, the adjustable plate
Rear width be less than card slot inner end depth.
Further, the adjustable plate with a thickness of the 1/3 of arc righting plate thickness.
Further, the two sides up and down of the arc righting board are equipped with adjustment spring B.
Compared with prior art, the invention has the following beneficial effects:
The setting of arc righting board and adjustable plate, when sucker rod to be put into oil well, in the effect of adjustment spring B
The ball of arc lower righting front edge of board touches the inner wall of oil well, can avoid sucker rod and contacts oil well inner wall, causes sucker rod inclined
Mill, is also convenient for rotating sucker rod, thus by this group of sucker rod by the male union twist-on of bottom end to another group
In the internal screw thread socket of sucker rod, while being also convenient for auxiliary sucker rod and moving up and down.
The setting of righting idler wheel, when sucker rod is entirely inserted into inside oil well, tune of the righting idler wheel at adjustment axis both ends
It can be moved forward and backward along sliding slot under the action of section spring A, make to touch on oil well wall outside righting idler wheel, can avoid sucker rod
Eccentric wear occurs with oil well wall, while sucker rod up and down adjustment under the action of righting idler wheel is more smooth, it is more convenient to use.
Detailed description of the invention
Fig. 1 is structural schematic diagram of the invention.
Fig. 2 is enlarged structure schematic diagram at A of the invention.
Fig. 3 is enlarged structure schematic diagram at B of the invention.
Fig. 4 is another side structural schematic diagram of the invention.
Fig. 5 is enlarged structure schematic diagram at C of the invention.
Fig. 6 is the structural schematic diagram of centering ring of the present invention.
Fig. 7 is the structural schematic diagram of arc righting board and adjustable plate of the present invention.
Fig. 8 is the schematic cross-sectional view of centering ring of the present invention.
In figure, the corresponding relationship of component names and accompanying drawing number are as follows:
Centralizer body -1, internal screw thread socket -1011, male union -1012 slide up and down rail -102, baffle -
103, righting convex block -2, groove -201, sliding slot -202, adjustment axis -3, limit handwheel -301, righting idler wheel -302, axle sleeve -303,
Connecting rod -4, limit plate -401, sleeve column -5, limit kelly -501, adjustment spring A-502, centering ring -6, intermediate throughholes -601,
Slide up and down slot -602, card slot -603, arc righting board -7, ball -701, adjustable plate -702, adjustment spring B-8.
Specific embodiment
Embodiments of the present invention are described in further detail with reference to the accompanying drawings and examples.Following embodiment is used for
Illustrate the present invention, but cannot be used to limit the scope of the invention.
In the description of the present invention, unless otherwise indicated, the meaning of " plurality " is two or more；Term " on ",
The orientation or positional relationship of the instructions such as "lower", "left", "right", "inner", "outside", " front end ", " rear end ", " head ", " tail portion " is
It is based on the orientation or positional relationship shown in the drawings, is merely for convenience of description of the present invention and simplification of the description, rather than instruction or dark
Show that signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as pair
Limitation of the invention.In addition, term " first ", " second ", " third " etc. are used for description purposes only, and should not be understood as instruction or
Imply relative importance.
In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " connected " " connects
Connect " it shall be understood in a broad sense, for example, it may be being fixedly connected, it may be a detachable connection, or be integrally connected；It can be machine
Tool connection, is also possible to be electrically connected；It can be directly connected, it can also be indirectly connected through an intermediary.For this field
For those of ordinary skill, the concrete meaning of above-mentioned term in the present invention can be understood with concrete condition.
Embodiment:
As shown in attached drawing 1 to attached drawing 8:
The present invention provides a kind of Anti-grinding centering guide of sucker rod, including centralizer body 1, internal screw thread socket 1011, outer spiral shell
Line connecting tube 1012 slides up and down rail 102, baffle 103, righting convex block 2, groove 201, sliding slot 202, adjustment axis 3, limit handwheel
301, righting idler wheel 302, axle sleeve 303, connecting rod 4, limit plate 401, sleeve column 5, limit kelly 501, adjustment spring A502, righting
Ring 6, intermediate throughholes 601 slide up and down slot 602, card slot 603, arc righting board 7, ball 701, adjustable plate 702 and adjustment spring
B8；The upper and lower ends of the centralizer body 1 are equipped with the internal screw thread socket 1011 and male union 1012 of hexagon, and
The outside lower end of centralizer body 1 is welded with cricoid three groups and slides up and down rail 102, the upper end outer wall of the centralizer body 1
On be annularly welded with three groups of righting convex blocks 2, and the inside of righting convex block 2 is equipped with groove 201,201 outside of groove it is upper
Lower both ends are equipped with the sliding slot 202 of penetrability, and adjustment axis 3 is pierced by 202 twist-on of sliding slot limit handwheel 301, in the groove 201
Righting idler wheel 302 is inlaid with by bearing in the adjustment axis 3 of side, and is set with axle sleeve in the adjustment axis 3 at 201 outside both ends of groove
303, the rear end of the axle sleeve 303 is connected with limit plate 401 by connecting rod 401, and the another side of limit plate 401 is welded with set
Column 5 is also welded with sleeve column 5 on the outer wall of the centralizer body 1, and is provided with adjustment spring A502, institute between two groups of sleeve columns 5
The inside for stating centering ring 6 is equipped with intermediate throughholes 601, and offers on the inner wall of intermediate throughholes and slide up and down slot 602, the righting
Ring 6 is slidably mounted on sliding up and down on rail 102 on the outside of centralizer body 1 by sliding up and down slot 602, and centering ring 6 is outer
Still there is cricoid card slot 603 on edge, the rear end of the arc righting board 7 is equipped with the adjustable plate 702 of integral type, and adjustable plate
702 active cards are also inlaid with three groups of balls 701, and arc righting in card slot 603 on the outer edge of the arc righting board 7
Adjustment spring B8 is connected in gap between plate 7 and centering ring 6.
Wherein, the upper and lower ends for sliding up and down rail 102 are equipped with the baffle 103 of integral type, can be to centering ring 6 upper
Position is defined when up and down adjustment in downslide dynamic rail 2, and centering ring 6 is avoided to be fallen off on rail 2 from sliding up and down.
Wherein, the upper and lower ends of the righting convex block 2 are equipped with angle.
Wherein, twist-on has limit kelly 501 between the gap adjustment spring A502 on the sleeve column 5, can effectively limit
Adjustment spring A falls off from sleeve column 5.
Wherein, when the adjustment spring A502 and adjustment spring B8 are in relaxed state, the outermost end of righting idler wheel 302
To between the vertical central axis of centralizer body 1 vertical range and ball 701 outermost end to centralizer body 1 it is vertical in
Vertical range between mandrel is identical.
Wherein, the section of the card slot 603 is T-type structure, and the section of adjustable plate 702 is also T-type structure, the adjusting
The rear width of plate 702 is less than the inner end depth of card slot 603, can be by adjustable plate 702.
Wherein, the adjustable plate 702 with a thickness of the 1/3 of 7 thickness of arc righting board, arc righting is arranged in adjustable plate 702
The centre of 7 inner arc side of plate, facilitates in the gap that adjustment spring B8 is mounted between arc righting board 7 and centering ring 6.
Wherein, the two sides up and down of the arc righting board 7 are equipped with adjustment spring B8, and arc righting board 7 can be upper and lower two
The oil well inner wall contacted under the action of the adjustment spring B8 of side can avoid 7 upside of the arc righting board amount flexible with downside not phase
Together.
The specifically used mode and effect of the present embodiment:
In the present invention, when sucker rod is put into oil well, arc righting board 7 is in adjustment spring B8 in oil well
The side of wall moves, and ball 701 is made to touch the inner wall of oil well, can avoid sucker rod and contacts oil well inner wall, causes sucker rod inclined
Mill, due to the setting of ball 701, is also convenient for rotating sucker rod, thus the external screw thread that this group of sucker rod is passed through bottom end
In 1012 twist-on of connecting tube to the internal screw thread socket 1011 of another group of sucker rod, while being also convenient for auxiliary sucker rod and moving up and down,
When the upper end of sucker rod is also inserted into inside oil well, effect of the righting idler wheel 302 in the adjustment spring A502 at 3 both ends of adjustment axis
Under can be moved forward and backward along sliding slot 202, touch the outside of righting idler wheel 302 on oil well wall, can avoid sucker rod and oil well
Eccentric wear occurs for wall, while sucker rod up and down adjustment under the action of righting idler wheel 302 is more smooth, more convenient to use.
The embodiment of the present invention is given for the purpose of illustration and description, and is not exhaustively or by this to send out
It is bright to be limited to disclosed form.Many modifications and variations are obvious for the ordinary skill in the art.Choosing
Selecting and describe embodiment is and to make those skilled in the art to more preferably illustrate the principle of the present invention and practical application
It will be appreciated that the present invention is to design various embodiments suitable for specific applications with various modifications.
Claims (8)
1. a kind of Anti-grinding centering guide of sucker rod, it is characterised in that: the Anti-grinding centering guide of sucker rod includes centralizer body
(1), internal screw thread socket (1011), male union (1012) slide up and down rail (102), baffle (103), righting convex block
(2), groove (201), sliding slot (202), adjustment axis (3) limit handwheel (301), righting idler wheel (302), axle sleeve (303), connection
Bar (4), limit plate (401), sleeve column (5) limit kelly (501), adjustment spring A (502), centering ring (6), intermediate throughholes
(601), it slides up and down slot (602), card slot (603), arc righting board (7), ball (701), adjustable plate (702) and adjustment spring
B(8)；The upper and lower ends of the centralizer body (1) are equipped with hexagon internal screw thread socket (1011) and male union
(1012), and the outside lower end of centralizer body (1) is welded with cricoid three groups and slides up and down rail (102), the centralizer sheet
Three groups of righting convex blocks (2) are annularly welded on the upper end outer wall of body (1), and the inside of righting convex block (2) is equipped with groove
(201), the upper and lower ends on the outside of the groove (201) are equipped with the sliding slot (202) of penetrability, and adjustment axis (3) is pierced by sliding slot
(202) twist-on has limit handwheel (301), is inlaid with righting idler wheel by bearing in the adjustment axis (3) on the inside of the groove (201)
(302), it and on the outside of groove (201) is set with axle sleeve (303) in the adjustment axis (3) at both ends, the rear end of the axle sleeve (303) passes through
Connecting rod (401) is connected with limit plate (401), and the another side of limit plate (401) is welded with sleeve column (5), the centralizer sheet
It is also welded on the outer wall of body (1) sleeve column (5), and is provided with adjustment spring A (502), the centering ring between two groups of sleeve columns (5)
(6) inside is equipped with intermediate throughholes (601), and offers on the inner wall of intermediate throughholes and slide up and down slot (602), the centering ring
(6) sliding up and down on rail (102) on the outside of centralizer body (1), and centering ring are slidably mounted on by sliding up and down slot (602)
(6) still have on outer edge cricoid card slot (603), the rear end of the arc righting board (7) is equipped with the adjustable plate of integral type
(702), and adjustable plate (702) active card is in card slot (603), is also inlaid with three on the outer edge of the arc righting board (7)
Group ball (701), and adjustment spring B (8) are connected in the gap between arc righting board (7) and centering ring (6).
2. Anti-grinding centering guide of sucker rod as described in claim 1, it is characterised in that: described to slide up and down the upper and lower of rail (102)
Both ends are equipped with the baffle (103) of integral type.
3. Anti-grinding centering guide of sucker rod as described in claim 1, it is characterised in that: the upper and lower ends of the righting convex block (2)
It is equipped with angle.
4. Anti-grinding centering guide of sucker rod as described in claim 1, it is characterised in that: the adjustment spring A on the sleeve column (5)
(502) twist-on has limit kelly (501) between gap.
5. Anti-grinding centering guide of sucker rod as described in claim 1, it is characterised in that: the adjustment spring A (502) and adjusting bullet
When spring B (8) is in relaxed state, the outermost end of righting idler wheel (302) is between the vertical central axis of centralizer body (1)
Vertical range between vertical range and the vertical central axis of the outermost end of ball (701) to centralizer body (1) is identical.
6. Anti-grinding centering guide of sucker rod as described in claim 1, it is characterised in that: the section of the card slot (603) is T junction
Structure, and the section of adjustable plate (702) is also T-type structure, the rear width of the adjustable plate (702) is less than the interior of card slot (603)
Side depth.
7. Anti-grinding centering guide of sucker rod as described in claim 1, it is characterised in that: the adjustable plate (702) with a thickness of arc
The 1/3 of shape righting board (7) thickness.
8. Anti-grinding centering guide of sucker rod as described in claim 1, it is characterised in that: up and down the two of the arc righting board (7)
Side is equipped with adjustment spring B (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811219459.5A CN109138864B (en) | 2018-10-19 | 2018-10-19 | Eccentric wear prevention centralizer for sucker rod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811219459.5A CN109138864B (en) | 2018-10-19 | 2018-10-19 | Eccentric wear prevention centralizer for sucker rod |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109138864A true CN109138864A (en) | 2019-01-04 |
| CN109138864B CN109138864B (en) | 2021-11-19 |
Family
ID=64808784
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811219459.5A Active CN109138864B (en) | 2018-10-19 | 2018-10-19 | Eccentric wear prevention centralizer for sucker rod |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109138864B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111594065A (en) * | 2020-06-10 | 2020-08-28 | 张雪蓉 | Composite sucker rod centering device for oil field |
| CN111810061A (en) * | 2020-07-20 | 2020-10-23 | 黄松檀 | High-temperature-resistant and wear-resistant sucker rod centralizer |
| CN113323602A (en) * | 2021-06-30 | 2021-08-31 | 江苏力克石油机械有限公司 | Support and press firm formula sucker rod centralizer |
| CN115405238A (en) * | 2022-10-14 | 2022-11-29 | 东营华辰石油装备有限公司 | Casing centralizer with adaptive diameter-changing function |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111594065A (en) * | 2020-06-10 | 2020-08-28 | 张雪蓉 | Composite sucker rod centering device for oil field |
| CN111810061A (en) * | 2020-07-20 | 2020-10-23 | 黄松檀 | High-temperature-resistant and wear-resistant sucker rod centralizer |
| CN113323602A (en) * | 2021-06-30 | 2021-08-31 | 江苏力克石油机械有限公司 | Support and press firm formula sucker rod centralizer |
| CN115405238A (en) * | 2022-10-14 | 2022-11-29 | 东营华辰石油装备有限公司 | Casing centralizer with adaptive diameter-changing function |
| CN115405238B (en) * | 2022-10-14 | 2024-06-11 | 东营华辰石油装备有限公司 | Casing centralizer with adaptive variable diameter function |
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| CN109138864B (en) | 2021-11-19 |
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